package com.shop.game.service;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.shop.game.entry.Exchange;

import java.math.BigInteger;
import java.util.List;

public interface ExchangeService {
    IPage<Exchange> selectUserAll(int pageNum, int pageSize,BigInteger userId);

    Boolean addExchange ();
}
